AL-KO Blue IRS Shock Absorber (1350kg) – 280000

Part No: 280000 Category:


10 in stock

10 in stock

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AL-KO Blue IRS Shock Absorber

AL-KO Blue IRS Shock Absorber only suits Al-ko 1350kg IRS axle groups.

IRS shock absorbers operate in reverse to standard shock absorbers and are, therefore, ineffective for common beam axles.

Service Agents

Caravan service agents should check shock absorbers on all IRS trailers and caravans. We would also recommend installing this equipment on IRS suspension on boat trailers.

irs blue shock absorberWhen dampeners are worn or lose rebound compression, they should be replaced. 

For a long time, drivers have been worried about trailer vibrations on uneven roads. Until now, conventional standard shock absorbers have barely delivered a noticeable improvement in driving safety.

Medium trailer weights (2.0 t) per axle achieve optimum damping.

Damping in the lower weight range is excessive, causing trailer bumps and jolts, while the damping in the upper weight range is inadequate.

On the other hand, AL-KO Octagon axle shock absorbers improve the trailer’s drive characteristics and provide optimum damping – thanks to precise, weight-based tuning.

Purchase beam and off-road shock absorbers here.

Your advantage

  • Ideal damping
  • Direct reduction of dangerous jolts
  • Greater driving stability
  • Greater braking stability
  • Optimum ground contact
  • Ensure next-generation performance

How to replace shock absorbers

Two bolts secure the Alko blue shock absorber into position, and removing them is relatively straightforward. To test rebound, close a fully opened shock absorber. If your blue shock absorber closes efficiently, then it needs replacement.

The tell-tale signs of a worn shock absorber are the degree of stone chips. As mentioned before, these stone chips can puncture, indicating shock absorber wear.


  • Fully Open – 380mm
  • Fully Closed – 250mm
  • Opening Compression – 20% Resistance
  • Closing Rebound – 80% Resistance
  • Bolt Size 12mm
  • Offset Bushes

News article: how long do shock absorbers last?

Click this link to learn more about IRS axles.

AL-KO IRS Shock Absorber

Additional information

Weight1 kg
Dimensions30 × 10 × 10 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.


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